Your company has a main office and a branch office. The company network has two WINS servers.You have an application that requires NetBIOS name resolution.The WINS servers are configured as shown in the following table.
Location  Server name  IP address
Main office  DC1  10.1.0.23
Branch office  DC2  10.6.0.254
You discover that the WINS addresses on all client computers in both offices are configured in the following order of use:
10.1.0.23
10.6.0.254
You reconfigure the WINS addresses on all client computers in the branch office in the following order of use:
10.6.0.254
10.1.0.23
After the reconfiguration, users in the branch office are unable to connect to the servers that are located in the main office.You need to restore name resolution in the branch office.
What should you do?（）

Your company has two servers that run Windows Server 2008 R2 named Server2 and Server3. Both servers have the DNS Server server role installed. Server3 is configured to forward all DNS requests to Server2. You update a DNS record on Server2. You need to ensure that Server3 is able to immediately resolve the updated DNS record. 
What should you do？（）